Bent radio frequency connector with cover plate fixing structure and fixing method

Abstract

The invention discloses a bent radio frequency connector with a cover plate fixing structure and a fixing method, the bent radio frequency connector comprises an outer cylinder, an inner cylinder, a cover plate and a cable, a connecting piece is arranged in an inner cylinder cavity of the inner cylinder, an inner cavity of the outer cylinder is matched with the inner cylinder, a fixing part with the same inner diameter is integrally arranged at the top of the outer cylinder, and the cover plate is arranged on the outer cylinder. The lower edge opening of the fixing part and the top of the inner cylinder are located on the same horizontal plane, and an annular conical face is machined on the outer edge opening of the top of the cover plate. The cable penetrates through the side holes in the outer barrel and the inner barrel to be welded to the connecting piece, then the cover plate is pressed and covered on the top of the inner barrel, the fixing part is bent inwards to be attached to the annular conical surface in a pressing mode, then the cover plate is fixed on the top of the inner barrel, and therefore the problem that the cover plate falls off in the later period is avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of radio frequency connectors, and in particular relates to a bent radio frequency connector with a cover plate fixing structure and a fixing method. Background Art

[0002] RF connectors are usually considered to be a component that is attached to a cable or installed on an instrument, and serves as a component for electrically connecting or separating transmission lines. It is a mechatronics product. Simply put, it mainly acts as a bridge.

[0003] At the connection of the RF connector, sometimes a curved connection is required, such as a 90° connection. In this curved connection, a hole needs to be opened on the side of the connector, and then the wire is inserted into the side hole and the internal connector for welding. In order to facilitate the welding of the wire and the connector, a hole needs to be opened on the top of the connector to facilitate the welding operation.

[0004] The top opening of the connector needs to be closed after welding is completed, and a cover is often used in the prior art for closing the hole. However, after closing the hole with the cover, fixing the cover to the top opening of the connector becomes a big problem. Because the part of the cover inserted into the top opening is very short, it is easy to fall off later. Summary of the invention

[0005] The present invention aims at solving the problems in the prior art and proposes the following technical solutions:

[0006] A curved RF connector with a cover plate fixing structure comprises an outer cylinder, an inner cylinder, a cover plate and a cable, wherein a connector is arranged in the inner cylinder cavity of the inner cylinder, the inner cavity of the outer cylinder is adapted to the inner cylinder, a fixing part with the same inner diameter is integrally arranged on the top of the outer cylinder, and the lower edge of the fixing part and the top of the inner cylinder are located on the same horizontal plane, and an annular conical surface is processed on the outer edge of the top of the cover plate;

[0007] The cable passes through the side openings on the outer cylinder and the inner cylinder and is welded to the connector, and then the cover is pressed onto the top of the inner cylinder. The fixing portion is bent inwardly and pressed against the annular cone surface to fix the cover onto the top of the inner cylinder.

[0008] As a preferred embodiment of the above technical solution, the ring diameter of the fixing portion is less than 2 mm, and the outer edge of the connection between the outer cylinder and the fixing portion is in a circumferential cone shape.

[0009] As a preferred embodiment of the above technical solution, a plurality of fixing portions are provided on the fixing portion, and the plurality of fixing portions are equidistantly distributed around the circumference.

[0010] As a preferred embodiment of the above technical solution, a lower protrusion is provided at the bottom of the cover plate, and the lower protrusion matches the top of the inner cylinder cavity.

[0011] As a preferred embodiment of the above technical solution, an annular step is provided in the inner cavity of the outer cylinder, an annular positioning notch is provided at the outer edge of the bottom of the inner cylinder, and the annular positioning notch and the annular step are matched.

[0012] As a preferred embodiment of the above technical solution, an insulating ring sleeve is provided on the outer peripheral fixing sleeve of the top end of the connecting piece, an inner convex portion is provided on the bottom of the inner cylinder cavity, and the inner convex portion and the insulating ring sleeve are connected by interference fit.

[0013] As a preferred embodiment of the above technical solution, a welding portion is provided on the top of the connecting piece, and the welding portion and the cable are welded.

[0014] As a preferred embodiment of the above technical solution, a shielding ring is fixedly connected to the bottom of the inner cylinder, and the shielding ring is sleeved on the periphery of the connecting piece.

[0015] A fixing method is applied to the above-mentioned curved RF connector with a cover plate fixing structure, and the fixing method comprises the following steps:

[0016] S1. Fixing of the inner cylinder: insert the inner cylinder from the top of the inner cavity of the outer cylinder from top to bottom until the annular positioning notch contacts the annular step. At this time, the top of the inner cylinder and the lower edge of the fixing part are on the same horizontal plane;

[0017] S2. Cable connection: Pass the cables through the side openings on the outer cylinder and the inner cylinder and weld them to the connectors;

[0018] S3. Fixing of the cover plate: Press the cover plate onto the top of the inner cylinder, and the fixing portion bends inwards to press against the annular conical surface to fix the cover plate onto the top of the inner cylinder.

[0019] The beneficial effects of the present invention are:

[0020] In the present invention, the inner cylinder is first assembled in the inner cavity of the outer cylinder from top to bottom, and the side openings on the outer sides of the outer cylinder and the inner cylinder are aligned during the assembly; after the inner cylinder is assembled, the cables are passed through the side openings on the outer cylinder and the inner cylinder and welded to the connectors. During this process, the top of the inner cylinder cavity in the inner cylinder is in a connected and open state (i.e., the top opening of the connector), thereby facilitating the welding operation of the cables and the connector; after welding, the cover plate is pressed onto the top of the inner cylinder (i.e., the top opening of the connector is sealed), and the fixing portion is bent inwardly and pressed against the annular cone surface to fix the cover plate to the top of the inner cylinder, thereby avoiding the problem of the cover plate falling off later. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 An internal cutaway view of the present invention in a spliced ​​state is shown;

[0022] Figure 2 The present invention is shown in a disassembled state and in an internal cutaway view;

[0023] Figure 3 A schematic diagram of the structure of the present invention is shown.

[0024] Reference numerals

[0025] 10. Outer cylinder; 11. Fixing part; 12. Annular step; 20. Inner cylinder; 21. Annular positioning notch; 22. Inner cylinder cavity; 30. Shielding ring; 40. Insulating ring sleeve; 50. Connector; 51. Welding part; 60. Cover plate; 61. Lower raised part; 62. Annular cone; 70. Cable. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0027] like Figure 1 , Figure 2 Shown

[0028] A curved radio frequency connector with a cover fixing structure comprises an outer cylinder 10, an inner cylinder 20, a cover 60 and a cable 70. A connector 50 is arranged in the inner cylinder cavity 22 of the inner cylinder 20. The inner cavity of the outer cylinder 10 is adapted to the inner cylinder 20. A fixing portion 11 with the same inner diameter is integrally arranged on the top of the outer cylinder 10. The lower edge of the fixing portion 11 and the top of the inner cylinder 20 are located on the same horizontal plane. An annular conical surface 62 is processed on the top outer edge of the cover 60. The cable 70 passes through the side openings on the outer cylinder 10 and the inner cylinder 20 and is welded to the connector 50, and then the cover 60 is pressed onto the top of the inner cylinder 20. The fixing portion 11 is bent inwardly to press against the annular conical surface 62, thereby fixing the cover 60 to the top of the inner cylinder 20.

[0029] In the present invention, the inner cylinder 20 is first assembled from top to bottom in the inner cavity of the outer cylinder 10, and the side openings on the outer sides of the outer cylinder 10 and the inner cylinder 20 are aligned during the assembly; after the inner cylinder 20 is assembled, the cable 70 is passed through the side openings on the outer cylinder 10 and the inner cylinder 20 and welded to the connector 50. During this process, the top of the inner cylinder cavity 22 in the inner cylinder 20 is in a connected and open state (i.e., the top opening of the connector), thereby facilitating the welding operation of the cable 70 and the connector 50; after welding, the cover plate 60 is pressed onto the top of the inner cylinder 20 (i.e., the top opening of the connector is sealed), and the fixing portion 11 is bent inwardly and pressed against the annular cone 62 to fix the cover plate 60 on the top of the inner cylinder 20, thereby avoiding the problem of the cover plate 60 falling off later.

[0030] The bottom of the cover plate 60 is provided with a lower protrusion 61, and the lower protrusion 61 matches the top of the inner cylinder cavity 22. By providing the lower protrusion 61 and inserting the lower protrusion 61 into the top of the inner cylinder cavity 22 when the cover plate 60 is pressed on the top of the inner cylinder body 20, its sealing performance can be further improved, and the sealing effect is better.

[0031] An annular step 12 is provided in the inner cavity of the outer cylinder 10, and an annular positioning notch 21 is provided at the outer edge of the bottom of the inner cylinder 20, and the annular positioning notch 21 is matched with the annular step 12. When the inner cylinder 20 is assembled into the inner cavity of the outer cylinder 10 from top to bottom, the assembly of the inner cylinder 20 can be limited by providing the annular step 12 and the annular positioning notch 21. When the annular positioning notch 21 abuts against the annular step 12, it means that the inner cylinder 20 is assembled in place, and at this time, the top of the inner cylinder 20 and the lower edge of the fixing part 11 are on the same horizontal plane.

[0032] An insulating sleeve 40 is fixedly sleeved on the top periphery of the connector 50, and an inner convex portion is provided at the bottom of the inner cylinder cavity 22, and the inner convex portion and the insulating sleeve 40 are connected by interference fit. By providing the insulating sleeve 40, it not only plays a role in fixing and installing the connector 50 in the inner cylinder cavity 22, but also limits the connector 50 in the center of the inner cylinder cavity 22, thereby ensuring the creepage distance between the connector 50 and the inner cylinder body 20 and ensuring the stability of the electrical signal transmission; by providing the inner convex portion, the inner diameter of the bottom of the inner cylinder cavity 22 can be shrunk, thereby fixing the positions of the insulating sleeve 40 and the connector 50 by interference fit.

[0033] A welding portion 51 is disposed on the top of the connecting member 50 , and the welding portion 51 and the cable 70 are welded to each other.

[0034] The bottom of the inner cylinder 20 is fixedly connected with a shielding ring 30, and the shielding ring 30 is sleeved on the periphery of the connector 50. The shielding ring 30 plays a role in shielding the signal of the connector 50, thereby ensuring the stability of the radio frequency transmission.

[0035] like Figure 3 Shown

[0036] The ring diameter of the fixing part 11 is less than 2 mm, and the outer edge of the connection between the outer cylinder 10 and the fixing part 11 is in a circumferential cone shape. By limiting the ring diameter of the fixing part 11, it is convenient for the fixing part 11 to bend inwards and press against the annular cone surface 62.

[0037] The fixing portion 11 is provided with a plurality of 111, and the plurality of 111 are equidistantly distributed around the circumference. By providing 111, redundant squeezing of the fixing portion 11 during the process of bending inwardly and pressing against the annular conical surface 62 can be avoided, so that the fixing portion 11 does not fit the annular conical surface 62.

[0038] A fixing method is applied to the above-mentioned curved RF connector with a cover plate fixing structure, and the fixing method comprises the following steps:

[0039] S1. Fixing the inner cylinder 20: insert the inner cylinder 20 from the top of the inner cavity of the outer cylinder 10 from top to bottom until the annular positioning notch 21 abuts against the annular step 12, at which time the top of the inner cylinder 20 and the lower edge of the fixing portion 11 are on the same horizontal plane;

[0040] S2. Connection of the cable 70: Pass the cable 70 through the side openings on the outer cylinder 10 and the inner cylinder 20 and weld them to the connector 50;

[0041] S3. Fixing of the cover plate 60: The cover plate 60 is pressed onto the top of the inner cylinder 20 , and the fixing portion 11 is bent inwardly to press against the annular conical surface 62 to fix the cover plate 60 onto the top of the inner cylinder 20 .

[0042] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them.

Claims

1. A curved radio frequency connector with a cover plate fixing structure, comprising an outer cylinder (10), an inner cylinder (20), a cover plate (60) and a cable (70), wherein a connecting piece (50) is arranged in an inner cylinder cavity (22) of the inner cylinder (20), characterized in that: The inner cavity of the outer cylinder (10) is adapted to the inner cylinder (20), the top of the outer cylinder (10) is integrally provided with a fixing portion (11) having the same inner diameter, and the lower edge of the fixing portion (11) and the top of the inner cylinder (20) are located on the same horizontal plane, and the outer edge of the top of the cover plate (60) is processed with an annular conical surface (62); The cable (70) passes through the side openings on the outer cylinder (10) and the inner cylinder (20) and is welded to the connecting piece (50), and then the cover plate (60) is pressed onto the top of the inner cylinder (20); the fixing portion (11) is bent inwardly and pressed against the annular conical surface (62), thereby fixing the cover plate (60) on the top of the inner cylinder (20).

2. The curved RF connector with a cover plate fixing structure according to claim 1, characterized in that: The ring diameter of the fixing portion (11) is less than 2 mm, and the outer edge of the connection between the outer cylinder (10) and the fixing portion (11) is in the shape of a circumferential cone.

3. The curved RF connector with a cover plate fixing structure according to claim 1, characterized in that: The fixing portion (11) is provided with a plurality of (111), and the plurality of (111) are distributed equidistantly around the circumference.

4. The curved RF connector with a cover plate fixing structure according to claim 1, characterized in that: A lower protrusion (61) is provided at the bottom of the cover plate (60), and the lower protrusion (61) matches the top of the inner cylinder cavity (22).

5. The curved RF connector with a cover plate fixing structure according to claim 1, characterized in that: An annular step (12) is provided in the inner cavity of the outer cylinder (10), and an annular positioning notch (21) is provided at the outer edge of the bottom of the inner cylinder (20), and the annular positioning notch (21) and the annular step (12) are matched.

6. The curved RF connector with a cover plate fixing structure according to claim 1, characterized in that: An insulating ring sleeve (40) is fixedly mounted on the top peripheral portion of the connecting piece (50), an inner convex portion is disposed at the bottom of the inner cylindrical cavity (22), and the inner convex portion and the insulating ring sleeve (40) are connected by interference fit.

7. The curved RF connector with a cover plate fixing structure according to claim 1, characterized in that: A welding portion (51) is provided on the top of the connecting piece (50), and the welding portion (51) and the cable (70) are welded to each other.

8. The curved RF connector with a cover plate fixing structure according to claim 1, characterized in that: A shielding ring (30) is fixedly connected to the bottom of the inner cylinder (20), and the shielding ring (30) is sleeved on the periphery of the connecting piece (50).

9. A fixing method, characterized in that: The fixing method is applied to the curved RF connector with a cover fixing structure as described in any one of claims 1 to 8, and the fixing method comprises the following steps: S1. Fixing the inner cylinder (20): inserting the inner cylinder (20) from the top of the inner cavity of the outer cylinder (10) from top to bottom until the annular positioning notch (21) abuts against the annular step (12), and at this time, the top of the inner cylinder (20) and the lower edge of the fixing portion (11) are on the same horizontal plane; S2, connecting the cable (70): passing the cable (70) through the side openings on the outer cylinder (10) and the inner cylinder (20) and welding them to the connecting piece (50); S3. Fixing of the cover plate (60): The cover plate (60) is pressed onto the top of the inner cylinder (20), and the fixing portion (11) is bent inwardly to press against the annular conical surface (62) to fix the cover plate (60) onto the top of the inner cylinder (20).

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